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ASTM C33/C33M-24a

Standard Specification for Concrete Aggregates (Includes all amendments and changes 11/18/2024).

NORM herausgegeben am 6.11.2024

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The information about the standard:

Designation standards: ASTM C33/C33M-24a
Publication date standards: 6.11.2024
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: American technical standard
Kategorie: Technische Normen ASTM

Annotation of standard text ASTM C33/C33M-24a :

This specification defines the requirements for grading and quality of fine and coarse aggregate for use in concrete. Fine aggregate shall consist of natural sand, manufactured sand, or a combination thereof. Fine aggregate shall be free of injurious amounts of organic impurities. Fine aggregate for use in concrete that will be subject to wetting, extended exposure to humid atmosphere, or contact with moist ground shall not contain any materials that are deleteriously reactive with the alkalis in the cement in amount sufficient to cause excessive expansion of mortar or concrete. Fine aggregate subjected to five cycles of the soundness test shall have a required weighted average loss. Coarse aggregate shall consist of gravel, crushed gravel, crushed stone, air-cooled blast furnace slag, or crushed hydraulic-cement concrete, or a combination thereof. The sampling and test methods shall be done with grading and fineness modulus test, organic impurities test, effect of organic impurities on strength test, soundness test, clay lumps and friable particles test, coal and lignite test, bulk density of slag test, abrasion of coarse aggregate test, reactive aggregate test, freezing and thawing test, and chert test method.


Keywords:
aggregates, coarse aggregate, concrete aggregates, fine aggregate ,, ICS Number Code 91.100.30 (Concrete and concrete products)